code: def test_richclub_normalized():
      G = nx.Graph([(0, 1), (0, 2), (1, 2), (1, 3), (1, 4), (4, 5)])
      rcNorm = nx.richclub.rich_club_coefficient(G, Q=2)
      assert rcNorm == {0: 1.0, 1: 1.0}
  
file_path: networkx/networkx/algorithms/tests/test_richclub.py
imports: import pytest
  import networkx
label_desc: Use image node_id 3 for calling a global function with example usage: test_richclub_normalized() without return types